Some are thought to represent tribal movements, successful hunts, or the passage of time.
一些科学家认为可能代表着部落的行动，比如说成功的狩猎行动或者说是一种代表着作息的安排。
Choose the right answer according to the dialogue or passage you hear.
根据你听到的对话或短文选择正确答案。
At the end of each passage, you will hear three or four questions.
在每段短文的末尾，你会听到三到四个问题。
They were unwilling, or unable, to guarantee safe passage from the city to the aircraft.
他们不愿，或不能批准从该市到机场的安全通道。
Judge the following sentences true or false according to the passage.
根据短文判断下列句子是对还是错。
Listen to the passage and tell whether the following statements are true or false.
听短文，判断下列句子是对还是错。
Is the passage intended only for a certain place or time?
此段经文是否只指向一个特定的时期和地方呢？
You may focus on a particular passage, or on the text as a whole.
你可以专注于某个段落，或者整篇文章。
They often summarise, add important detail, or make information in the passage more clear.
它们经常会对文章内容做出总结、补充重要细节，或使文中的信息更加清晰明了。
Or the translation of this passage.
或者这段话的翻译。
You should try to keep the length of the passage to 100 words or so.
这段话的内容最好控制在100字左右---记住一定要控制在100字左右！
Read the passage carefully and then judge whether the statement is true or false.
仔细读文章然后判断表格中的陈述句是对是错。
Or you can practice a passage fast only and another passage (of the same difficulty) slowly at the end and compare them the next day.
或者，你可以选两段困难度相当的段落，在结束前，一段快弹，另一段慢弹，然后隔天比较它们的差异。
The deeper part of a river or harbor, especially a deep navigable passage.
河流或港湾较深部分，尤指深水航道。
The act of passing over, across, or through; passage.
通过越过、通过或穿过的动作；
It is used to put through or cut off the air passage in vacuum pipeline.
CC Q型气动超高真空插板阀用于接通或切断真空管路中的气流。
It is used to put through or cut off the air passage in vacuum pipeline.
阀门用于接通或者堵截真空管途中的气流。
III. Listen to the passage and tell whether the following statements are true or false. .
判断下列句子是否符合你所听到的短文内容。
Read the passage again. Find out the details to tell T or F.
再次阅读，找出细节判断下列句子的正误。
Read the passage again. Find out the details to tell T or F.
再次阅读，找出细节判断下列句子的正误。
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